1)Comparisons between Norwegian and Lithuanian kindegarten: http://mokslodarbai.lt/analize/kindergarten-rehabilitation-lithuania?page=2
2)Hypothermia:
Mauntaincraft and leadership book (p.286)
3) How to find a good campsite:
https://books.google.no/books?id=nSXlLwTkVIMC&pg=PT106&lpg=PT106&dq=how+to+find+a+good+campsite+flat,+where+my+odds+of+finding+a+level&source=bl&ots=-p8rz_OR7p&sig=acpCE1bCivm6NxutAp_kVBv3RpA&hl=lt&sa=X&ei=ZwtuVYygOoaysQG916uQCA&ved=0CBwQ6AEwAA#v=onepage&q&f=true
4) Cool down after skiing:
http://www.warrensmith-skiacademy.com/tutorial/after-ski-cool-down/

5) Holmenkollen ski festival
http://en.wikipedia.org/wiki/Holmenkollen_Ski_Festival

6) nordic skiing
http://en.wikipedia.org/wiki/Nordic_skiing